8439449348 has 24 divisors (see below), whose sum is σ = 16504647264. Its totient is φ = 3742548800.

The previous prime is 8439449327. The next prime is 8439449407.

8439449348 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8439449293 and 8439449302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337290 + ... + 2340897.

It is an arithmetic number, because the mean of its divisors is an integer number (687693636).

Almost surely, 2^8439449348 is an apocalyptic number.

It is an amenable number.

8439449348 is a deficient number, since it is larger than the sum of its proper divisors (8065197916).

8439449348 is a wasteful number, since it uses less digits than its factorization.

8439449348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678243 (or 4678241 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 56.

The square root of 8439449348 is about 91866.4756480839. The cubic root of 8439449348 is about 2035.9699809532.

The spelling of 8439449348 in words is "eight billion, four hundred thirty-nine million, four hundred forty-nine thousand, three hundred forty-eight".